bjoernager/rust
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Stabilize half_open_range_patterns

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This commit is contained in:
Urgau 2022-09-24 17:22:04 +02:00
parent c084c26397
commit 5ae73634dc
43 changed files with 258 additions and 398 deletions
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compiler/rustc_parse/src/parser/pat.rs
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@ -777,7 +777,6 @@ impl<'a> Parser<'a> {
/// expression syntax `...expr` for splatting in expressions.
fn parse_pat_range_to(&mut self, mut re: Spanned<RangeEnd>) -> PResult<'a, PatKind> {
let end = self.parse_pat_range_end()?;
self.sess.gated_spans.gate(sym::half_open_range_patterns, re.span.to(self.prev_token.span));
if let RangeEnd::Included(ref mut syn @ RangeSyntax::DotDotDot) = &mut re.node {
*syn = RangeSyntax::DotDotEq;
self.struct_span_err(re.span, "range-to patterns with `...` are not allowed")